"accurary" - 1 õppematerjal

Mikrokontrollerid ja robootika homework 2

210 = 1024 (5.12/ 1024) * 785 = 3.925V Output voltage = 3.925V  Question 12 A 12 bit DAC has a reference voltage of 10V. What is the output voltage for a binary input code of 1001001001002? 1001001001002 = 2340 212 = 4096 (10 / 4096) * 2340 = 5.71 V Output voltage = 5,71 V Question 13 What is the resolution of a 16-Bit DAC? 216 = 65536 Question 14 Name 5 characteristics of DAC’s. 1. Gain error 2. Offset error 3. Resolution 4. Monotonicity 5. Accurary(relative) Question 15 For the following 3-Bit DAC, analyse the circuit to verify its operation for the following input combinations. (Assume VR=5V). a)S2S1S0=0102 Output voltage = 1.25 V b)S2S1S0=1012 Output voltage = 3,125 V c)S2S1S0=0112 Output voltage = 1.875 V  Question 16 Pulse-Width Modulation (PWM) is a commonly used technique for controlling power to inertial electrical devices and DC motors.